Which one of the following is a water soluble vitamin, that is not excreted easily?

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Canvas Classes · Accepted Answer

Water-soluble vitamins and excretion:

All B-group vitamins and Vitamin C are water-soluble. They are generally excreted in urine and not stored in the body.

Exception — Vitamin B₁₂ (Cyanocobalamin):

Vitamin B₁₂ is unique among water-soluble vitamins:
- It is stored in the liver in significant amounts
- The liver can store enough B₁₂ to last 3–5 years
- It is NOT easily excreted because it binds to a specific protein (intrinsic factor) for absorption and is recycled in the body
- Deficiency ta

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